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Chromate, hydroxy[4-hydroxy-3-nitro-5-[(1,2,3,4-tetrahydro-2,4-dioxo-3-quinolinyl)azo]benzenesulfonato]-, sodium
- русский язык имя
- английское имяChromate, hydroxy[4-hydroxy-3-nitro-5-[(1,2,3,4-tetrahydro-2,4-dioxo-3-quinolinyl)azo]benzenesulfonato]-, sodium
- CAS №6656-02-6
- CBNumberCB71453682
- ФормулаC15H7CrN4NaO9S
- мольный вес494.29
- файл Mol6656-02-6.mol
химическое свойство
Chromate, hydroxy[4-hydroxy-3-nitro-5-[(1,2,3,4-tetrahydro-2,4-dioxo-3-quinolinyl)azo]benzenesulfonato]-, sodium химические свойства, назначение, производство
Подготовка
3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid diazo, and Quinoline-2,4-diol coupling, and then in water solution and sulfuric acid chromium heating, in 125 ° C keep 2 hours to form chromium complex.Свойства и приложения
red. Soluble in water for purplish red color, not soluble in ethanol and acetone. The strong sulfuric acid to red light brown, diluted red for blue-ray. In water solution to join 10% of sulfuric acid slightly change to blue; With 10% of sodium hydroxide solution discoloration.Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 6 | 3-4 | 4 | 3-4 | 2-3 | 3-4 |